This is a tested high quality professional 7 W RF amplifier that requires minimum driving input of 1 m W for the maximum of 7 W RF power output. It is broadband in 400 MHz- 470 MHz and doesn't require any tuning or adjusting. Power supply is 12 V/ 1.6 A. Gain is 45 dB. N female connectors Input / Output 50 ohms impedance. Class of operation AB
Dimensions :6.0" X 4.0" X 2.0".